Stretched canvas is used for artist painting , also have student range , regular student range canvas is 280gram cotton primed , if professional artist will use the linen canvas , linen canvas has different texture , it needs to see what you paint is portrait , Scenery , or wall decor , also need to see the paint you use is oil color or acrylic color , in fact now have many printed canvas and then stretched , they will print about 90%, people only need to paint 10% , this is mainly for the mass production for home decration , if for kids start to learn we suggest paint 100% by themself .